Ask question

Ask question

All categories

3 years ago

15

A calcium ion has 20 protons and 18 electrons. Each proton has a +1 charge and each electron has a -1 charge. What is the charge

of the calcium ion?

1 answer:

kolbaska11 [484]3 years ago

7 0

Answer:

Ca^(2+) or the charge is 2 plus or just 2

Step-by-step explanation:

Charge on the calcium ion = 20*(+1) + 18*(-1) = 20 - 18 = 2

The charge on the calcium ion is +2

You might be interested in

5(x + 2) = 3(x + 8)

Nady [450]

If your looking for X, it would be X = 7

7 0

3 years ago

Read 2 more answers

Factor completely x2 + 8x - 20

kvv77 [185]

X-2
Hope this helps!
Vote me brainliest!

3 0

3 years ago

Read 2 more answers

You're playing a game where you defend your village from an orc invasion. There are 333 characters (elf, hobbit, or human) and 5

antiseptic1488 [7]

Answer:

8/15

Step-by-step explanation:

khan acdamy

7 0

3 years ago

a school wants to make a new playground by cleaning up and abandoned lot that is shaped like a rectangle. they give the job of p

svetoff [14.1K]

<span>3/8 is left is the correct answer if multiple choice

</span>

5 0

3 years ago

Is 5 equal to -5 in math

elena-14-01-66 [18.8K]

Answer: No

Step-by-step explanation: If it is talking about the reciprocal then yes. Reciprocal is the opposite of your number.

Example: -4 IS 4 reciprocal.

6 0

3 years ago

Read 2 more answers